GB2371916B - Copy-protected digital audio compact disc, and method and system for producing same - Google Patents

Copy-protected digital audio compact disc, and method and system for producing same

Info

Publication number
GB2371916B
GB2371916B GB0129682A GB0129682A GB2371916B GB 2371916 B GB2371916 B GB 2371916B GB 0129682 A GB0129682 A GB 0129682A GB 0129682 A GB0129682 A GB 0129682A GB 2371916 B GB2371916 B GB 2371916B
Authority
GB
United Kingdom
Prior art keywords
error
disc
original
copy
data
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB0129682A
Other languages
English (en)
Other versions
GB0129682D0 (en
GB2371916A (en
Inventor
Moshe Brody
Baruch Sollish
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rovi Solutions Ltd
TTR TECHNOLOGIES Ltd
Original Assignee
Macrovision Europe Ltd
TTR TECHNOLOGIES Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Macrovision Europe Ltd, TTR TECHNOLOGIES Ltd filed Critical Macrovision Europe Ltd
Publication of GB0129682D0 publication Critical patent/GB0129682D0/en
Publication of GB2371916A publication Critical patent/GB2371916A/en
Application granted granted Critical
Publication of GB2371916B publication Critical patent/GB2371916B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00572—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium
    • G11B20/00615—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium said format change concerning the logical format of the recording medium, e.g. the structure of sectors, blocks, or frames
    • G11B20/0063—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium said format change concerning the logical format of the recording medium, e.g. the structure of sectors, blocks, or frames wherein the modification to the logical format mainly concerns management data, e.g., by changing the format of the TOC or the subcode
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0092—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which are linked to media defects or read/write errors
    • G11B20/00927—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which are linked to media defects or read/write errors wherein said defects or errors are generated on purpose, e.g. intended scratches
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1806—Pulse code modulation systems for audio signals
    • G11B20/1809—Pulse code modulation systems for audio signals by interleaving
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
    • G11B20/1251—Formatting, e.g. arrangement of data block or words on the record carriers on discs for continuous data, e.g. digitised analog information signals, pulse code modulated [PCM] data
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • G11B2020/10537—Audio or video recording
    • G11B2020/10546—Audio or video recording specifically adapted for audio data
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B2020/10916—Seeking data on the record carrier for preparing an access to a specific address
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/21—Disc-shaped record carriers characterised in that the disc is of read-only, rewritable, or recordable type
    • G11B2220/213—Read-only discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2545—CDs

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Optical Recording Or Reproduction (AREA)
GB0129682A 1999-11-30 2000-11-27 Copy-protected digital audio compact disc, and method and system for producing same Expired - Fee Related GB2371916B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IL13323699A IL133236A0 (en) 1999-11-30 1999-11-30 Copy-protected digital audio compact disc and method and system for producing same
PCT/IL2000/000792 WO2001041130A2 (en) 1999-11-30 2000-11-27 Copy-protected digital audio compact disc, and method and system for producing same

Publications (3)

Publication Number Publication Date
GB0129682D0 GB0129682D0 (en) 2002-01-30
GB2371916A GB2371916A (en) 2002-08-07
GB2371916B true GB2371916B (en) 2004-06-16

Family

ID=11073552

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0129682A Expired - Fee Related GB2371916B (en) 1999-11-30 2000-11-27 Copy-protected digital audio compact disc, and method and system for producing same

Country Status (11)

Country Link
US (1) US6718501B1 (de)
EP (1) EP1245025A4 (de)
JP (1) JP2003535420A (de)
KR (1) KR100701236B1 (de)
AU (1) AU1727701A (de)
BR (1) BR0016182A (de)
DE (1) DE10084721B4 (de)
GB (1) GB2371916B (de)
IL (1) IL133236A0 (de)
MX (1) MXPA02005360A (de)
WO (1) WO2001041130A2 (de)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001057022A (ja) * 1999-08-18 2001-02-27 Sony Corp データ記録媒体、データ記録装置、データ記録方法、データ再生装置およびデータ再生方法
IL131545A0 (en) * 1999-08-23 2001-01-28 Ttr Technologies Ltd Copy-protected digital audio compact disc and method and system for producing same
GB0003530D0 (en) * 2000-02-15 2000-04-05 Dilla Limited C The copy protection of digital audio compact discs
JP2001351319A (ja) * 2000-06-06 2001-12-21 Pioneer Electronic Corp 著作権保護方法、再生方法、再生装置、記録方法及び記録装置
US6928040B2 (en) * 2000-06-14 2005-08-09 Macrovision Corporation Identifying copy protected optical compact discs
PL353622A1 (en) * 2000-08-14 2003-12-01 Koninklije Philips Electronics N.V.Koninklije Philips Electronics N.V. Method of device for adding or extracting a secondary information signal to/from a rll code sequence
AU2002221006B2 (en) * 2000-11-27 2007-10-18 Rovi Europe Limited A copy protected DVD disc and method for producing and validating same
US7376073B2 (en) * 2000-12-14 2008-05-20 Ecd Systems, Inc. Optical storage medium having distortion regions, and a method of modifying an optical storage medium to include distortion regions
WO2002095735A2 (en) * 2001-05-21 2002-11-28 Sunncomm, Inc. Apparatus and method for digital content concealment in a storage medium recorded using a recording device
US7103261B2 (en) * 2001-06-04 2006-09-05 William Grecia Consumer friendly error correcting formating method for white book 2.0 video compact disc with CD-DA red book audio tracks
GB2377511B (en) * 2001-07-03 2005-05-11 Macrovision Europ Ltd The copy protection of digital data
US20040030900A1 (en) * 2001-07-13 2004-02-12 Clark James R. Undetectable watermarking technique for audio media
GB2382670A (en) * 2001-07-25 2003-06-04 Macrovision Corp A method of copy protection of digital data by altering codewords to introduce impulse errors which are then marked as uncorrectable
US7562396B2 (en) * 2001-08-21 2009-07-14 Ecd Systems, Inc. Systems and methods for media authentication
ES2221506B1 (es) * 2001-10-16 2005-10-01 Sonopress Ibermemory, S.A. Procedimiento de grabacion de cd-audio para evitar su copia.
JP3688628B2 (ja) * 2001-11-09 2005-08-31 株式会社東芝 信号処理方法及び装置、信号再生方法及び装置、記録媒体
US6952479B2 (en) 2001-11-27 2005-10-04 Macrovision Europe Limited Dynamic copy protection of optical media
US7643393B2 (en) * 2001-12-12 2010-01-05 Ecd Systems, Inc. Systems and methods for optical media modification
US20050068874A1 (en) * 2002-01-22 2005-03-31 Jacobus Petrus Josephus Heemskerk Record carrier
US7716485B2 (en) * 2002-02-01 2010-05-11 Sca Ipla Holdings Inc. Systems and methods for media authentication
AU2003211981B8 (en) * 2002-02-20 2009-06-25 Sony Corporation Data recording medium, data recording method and apparatus, data reproducing method and apparatus, data transmitting method, and data receiving method
US20030159049A1 (en) * 2002-02-21 2003-08-21 Koninklijke Philips Electronics N.V. Copy-protection by alteration of control signals
US20030161469A1 (en) * 2002-02-25 2003-08-28 Szeming Cheng Method and apparatus for embedding data in compressed audio data stream
DE60308667T2 (de) * 2002-03-28 2007-08-23 Koninklijke Philips Electronics N.V. Wasserzeichenzeitskalensuchen
JP4132934B2 (ja) * 2002-04-12 2008-08-13 株式会社ソニー・ディスクアンドデジタルソリューションズ 再生専用光記録媒体および光記録方法
US7178087B2 (en) * 2002-04-18 2007-02-13 Koninklijke Philips Electronics N.V. Read-only record carrier with recordable area in subcode channel
JP2004030815A (ja) * 2002-06-27 2004-01-29 Ricoh Co Ltd プログラム、記録媒体、情報処理システム及びコピープロテクト方法
US7340778B2 (en) * 2002-07-24 2008-03-04 Macrovision Corporation Method and apparatus for ensuring the copy protection of digital data
JP4066736B2 (ja) * 2002-07-26 2008-03-26 日本ビクター株式会社 ディジタル情報信号記録方法
US7234097B1 (en) * 2003-01-27 2007-06-19 Marvell International Ltd. Methods of supporting host CRC in data storage systems without RLL coding
US6897792B1 (en) * 2003-05-21 2005-05-24 Marvell International Ltd. Reducing number of consecutive ones in data-dependent scrambler
US7475331B1 (en) 2003-10-07 2009-01-06 Marvell International Ltd. Data dependent scrambler with improved global constraint
US7328395B1 (en) * 2004-04-13 2008-02-05 Marvell International Ltd. Iterative Reed-Solomon error-correction decoding
US20060023598A1 (en) * 2004-07-30 2006-02-02 Babinski James P Method and apparatus for protecting against copying of content recorded on optical recording media
US20060136729A1 (en) * 2004-12-20 2006-06-22 Macrovision Europe Limited Copy protection for optical discs
US20060253722A1 (en) * 2005-04-21 2006-11-09 Nielsen Hans H Uncopyable optical media through sector errors

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5394274A (en) * 1988-01-22 1995-02-28 Kahn; Leonard R. Anti-copy system utilizing audible and inaudible protection signals
US5513260A (en) * 1994-06-29 1996-04-30 Macrovision Corporation Method and apparatus for copy protection for various recording media
US5822288A (en) * 1992-07-09 1998-10-13 Sony Corporation Power saving method and apparatus for intermittently reading reproduction apparatus
US6104679A (en) * 1998-10-01 2000-08-15 T.T.R. Technologies Ltd. Method for determining an unauthorized copy of an optical disc
EP1221117A1 (de) * 1999-08-23 2002-07-10 T.T.R. Technologies Ltd. Kopiergeschützte digitale audio-kompaktdisk, sowie verfahren und system, um dieselbe zu erzeugen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3806411C2 (de) * 1988-02-29 1996-05-30 Thomson Brandt Gmbh Verfahren zur Übertragung eines Tonsignals und eines Zusatzsignals
SE514352C2 (sv) * 1996-07-05 2001-02-12 Ifunga Test Equipment Bv Sätt att förse en optisk databärare med identitetsinformation
EP1227482B1 (de) * 1997-05-30 2005-08-17 Macrovision Europe Limited Kopierschutzverfahren für einen Aufzeichnungsträger mit einem Muster von logischen Fehlern
GB9912312D0 (en) * 1999-05-26 1999-07-28 Dilla Limited C The copy protection of digital audio compact discs

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5394274A (en) * 1988-01-22 1995-02-28 Kahn; Leonard R. Anti-copy system utilizing audible and inaudible protection signals
US5822288A (en) * 1992-07-09 1998-10-13 Sony Corporation Power saving method and apparatus for intermittently reading reproduction apparatus
US5513260A (en) * 1994-06-29 1996-04-30 Macrovision Corporation Method and apparatus for copy protection for various recording media
US6104679A (en) * 1998-10-01 2000-08-15 T.T.R. Technologies Ltd. Method for determining an unauthorized copy of an optical disc
EP1221117A1 (de) * 1999-08-23 2002-07-10 T.T.R. Technologies Ltd. Kopiergeschützte digitale audio-kompaktdisk, sowie verfahren und system, um dieselbe zu erzeugen

Also Published As

Publication number Publication date
MXPA02005360A (es) 2004-05-05
KR100701236B1 (ko) 2007-03-29
KR20030024657A (ko) 2003-03-26
BR0016182A (pt) 2002-08-27
AU1727701A (en) 2001-06-12
GB0129682D0 (en) 2002-01-30
WO2001041130A3 (en) 2002-02-21
GB2371916A (en) 2002-08-07
WO2001041130A2 (en) 2001-06-07
EP1245025A4 (de) 2006-06-07
JP2003535420A (ja) 2003-11-25
US6718501B1 (en) 2004-04-06
DE10084721T1 (de) 2003-08-21
IL133236A0 (en) 2001-03-19
DE10084721B4 (de) 2004-11-25
EP1245025A2 (de) 2002-10-02

Similar Documents

Publication Publication Date Title
GB2371916B (en) Copy-protected digital audio compact disc, and method and system for producing same
KR100783215B1 (ko) 디지털 오디오 컴팩트 디스크의 복사 방지
US6425098B1 (en) Prevention of disk piracy
WO2001080546A2 (en) Prevention of cd-audio piracy using sub-code channels
WO2006044301A2 (en) Method and apparatus for dvd copy protection with selective data pattern insertion
US7685641B1 (en) Copy-protected digital audio compact disc, and method and system for producing same
US6988206B1 (en) Prevention of CD-audio piracy using sub-code channels
GB2421350A (en) Copy protection for optical discs
EP1418584A1 (de) Digitales datenaufzeichnungsmedium, auszeichnungsverfahren, aufzeichnungseinrichtung, wiedergabeverfahren und wiedergabeeinrichtung
US20040199855A1 (en) Copy-protected digital audio compact disc, and method and system for producing same
JP2003308652A (ja) ディジタルデータの複製を防止する方法及び装置
CA2422515C (en) Prevention of cd-audio piracy using sub-code channels
TW200746066A (en) Disk-shaped record medium and producing method for same, disk recording method and device, and disk playback method and device
US20040184611A1 (en) Copy protection of digital data
AU2005200838A1 (en) Prevention of CD-audio piracy using sub-code channels
GB2382670A (en) A method of copy protection of digital data by altering codewords to introduce impulse errors which are then marked as uncorrectable
Li et al. Antipiracy technology study on optical disks
JPH06223511A (ja) 符号化処理方法、復号化処理方法、及び符号化復号化処理方法、並びに符号化処理装置、復号化処理装置、及び符号化復号化処理装置
WO2010113078A1 (en) Information carrier, reproduction apparatus and manufacturing apparatus
JPH08249816A (ja) データ記録方法、データ記録装置及びデータの記録媒体

Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20110217 AND 20110223

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20161127